x=int(input())
if x in range(400,600): print("8")
if x in range(600,800): print("7")
if x in range(800,1000): print("6")
if x in range(1000,1200): print("5")
if x in range(1200,1400): print("4")
if x in range(1400,1600): print("3")
if x in range(1600,1800): print("2")
if x in range(1800,1999+1): print("1") x=int(input()) x int(input()) int input() input if x in range(400,600): print("8") x in range(400,600) x range(400,600) range 400 600 if x in range(600,800): print("7") x in range(600,800) x range(600,800) range 600 800 if x in range(800,1000): print("6") x in range(800,1000) x range(800,1000) range 800 1000 if x in range(1000,1200): print("5") x in range(1000,1200) x range(1000,1200) range 1000 1200 if x in range(1200,1400): print("4") x in range(1200,1400) x range(1200,1400) range 1200 1400 if x in range(1400,1600): print("3") x in range(1400,1600) x range(1400,1600) range 1400 1600 if x in range(1600,1800): print("2") x in range(1600,1800) x range(1600,1800) range 1600 1800 if x in range(1800,1999+1): print("1") x in range(1800,1999+1) x range(1800,1999+1) range 1800 1999+1 1999 1 x=int(input()) int(input()) x
x=int(input())
if x in range(400,600): print("8")
if x in range(600,800): print("7")
if x in range(800,1000): print("6")
if x in range(1000,1200): print("5")
if x in range(1200,1400): print("4")
if x in range(1400,1600): print("3")
if x in range(1600,1800): print("2")
if x in range(1800,1999+1): print("1")